Questionnaires with information on the activities of laboratories and test stations sent by the mountain districts upon the requ...

Title Questionnaires with information on the activities of laboratories and test stations sent by the mountain districts upon the request of the Provisional Special Meeting for the development and implementation of activities aimed at lifting the mining industry in Russia, to develop and study the test and rational use of materials and products of the mining and mining industry
Series 1917
Fonds MINISTRY OF TRADE AND INDUSTRY OF THE PROVISIONAL GOVERNMENT
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